Backstage at the Barnstable High School Performing Arts Center, a mass of students prepares for the upcoming Haunted House. With a series of false walls already in place and a 30-foot ship in the early stages of assembly, the site is undergoing a rapid transformation.

It's been just two years since the Barnstable County Correctional Facility opened on the Massachusetts Military Reservation in Bourne, but Sheriff Jim Cummings is already warning that the new building "could max out in less than 24 months."